Have you been diagnosed with any of the following medical conditions which may be related to ED?
True bug diversity. Historically the Order Hemiptera was split into two suborders: the Heteroptera (from the Greek, meaning 'different wings') and the Homoptera ('uniform wings'). This distinction was primarily based on the structure of the wings.
So human beings are: Kingdom Animalia; Phylum Chordata; Class Mammalia; Order Primates; Family Hominidae; Genus & Species Homo sapiens. The Genus & Species name, such as Homo sapiens, is unique by itself, and is sometimes simply called the species name or species. (The last name, such as sapiens, is often duplicated, and is pretty well meaningless by itself). Sometimes a subspecies name follows.